Collier's New Encyclopedia

A complete general encyclopedia of 1921 — the world as it was understood just after the Great War, from Aachen to Zwingli, across twelve volumes and six thousand pages.

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Protozoa

a group of animals, ocinto two or more tissues; incapable, as a or or a group of cells not differentiated into the prot fusible compounds. The food is taken ized mouth or by any part of the cell subfusible compounds. The food is taken stance, in the form of particles. either by a strument, used in drawing or plotting, for the laying down of angles. It is

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